Pedido de patente depositado
#2.1
10/31/1989
RPI 993
Application data
Number
PI8903624Type
Filing
Publication
The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Petersen Manufacturing Co., Inc
US
Inventors
D. G. (pessoa física)
US
J. S. (pessoa física)
US
IPC Classification
Priority claims
US
230.178 · 08/09/1988
US
234.173 · 08/19/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/31/1989
RPI 993
#21.1
Patente extinta em 21/07/2009
12/26/2012
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07/28/1998
RPI 1440
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09/16/1997
RPI 1398
#6.1
11/05/1996
RPI 1353
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04/30/1991
RPI 1065
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03/13/1990
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